New driver for i915 as well as older i830/i845/i865 chipsets.

1 files changed, 103 insertions, 0 deletions

diff --git a/src/mesa/drivers/dri/i915/intel_batchbuffer.h b/src/mesa/drivers/dri/i915/intel_batchbuffer.h
new file mode 100644
index 0000000000..d96b3e2acd
--- /dev/null
+++ b/src/mesa/drivers/dri/i915/intel_batchbuffer.h
@@ -0,0 +1,103 @@
+/**************************************************************************
+ * 
+ * Copyright 2003 Tungsten Graphics, Inc., Cedar Park, Texas.
+ * All Rights Reserved.
+ * 
+ **************************************************************************/
+
+#ifndef INTEL_BATCHBUFFER_H
+#define INTEL_BATCHBUFFER_H
+
+#include "intel_context.h"
+#include "intel_ioctl.h"
+
+
+#define BATCH_LOCALS	GLubyte *batch_ptr;
+
+/* #define VERBOSE 0 */
+#ifndef VERBOSE
+extern int VERBOSE;
+#endif
+
+
+#define BEGIN_BATCH(n)							\
+do {									\
+   if (VERBOSE) fprintf(stderr, 					\
+			"BEGIN_BATCH(%d) in %s, %d dwords free\n",	\
+			(n), __FUNCTION__, intel->batch.space/4);	\
+   if (intel->batch.space < (n)*4)					\
+      intelFlushBatch(intel, GL_TRUE);					\
+   batch_ptr = intel->batch.ptr;					\
+} while (0)
+
+#define OUT_BATCH(n)					\
+do {							\
+   *(GLuint *)batch_ptr = (n);				\
+   if (VERBOSE) fprintf(stderr, " -- %08x at %s/%d\n", (n), __FILE__, __LINE__);	\
+   batch_ptr += 4;					\
+} while (0)
+
+#define ADVANCE_BATCH()						\
+do {								\
+   if (VERBOSE) fprintf(stderr, "ADVANCE_BATCH()\n");		\
+   intel->batch.space -= (batch_ptr - intel->batch.ptr);	\
+   intel->batch.ptr = batch_ptr;				\
+   assert(intel->batch.space >= 0);				\
+} while(0)
+
+extern void intelInitBatchBuffer( GLcontext *ctx );
+extern void intelDestroyBatchBuffer( GLcontext *ctx );
+
+extern void intelStartInlinePrimitive( intelContextPtr intel, GLuint prim );
+extern void intelWrapInlinePrimitive( intelContextPtr intel );
+extern void intelRestartInlinePrimitive( intelContextPtr intel );
+extern GLuint *intelEmitInlinePrimitiveLocked(intelContextPtr intel, 
+					      int primitive, int dwords,
+					      int vertex_size);
+extern void intelCopyBuffer( const __DRIdrawablePrivate *dpriv );
+extern void intelClearWithBlit(GLcontext *ctx, GLbitfield mask, GLboolean all,
+			     GLint cx1, GLint cy1, GLint cw, GLint ch);
+
+extern void intelEmitCopyBlitLocked( intelContextPtr intel,
+				     GLuint cpp,
+				     GLshort src_pitch,
+				     GLuint  src_offset,
+				     GLshort dst_pitch,
+				     GLuint  dst_offset,
+				     GLshort srcx, GLshort srcy,
+				     GLshort dstx, GLshort dsty,
+				     GLshort w, GLshort h );
+
+extern void intelEmitFillBlitLocked( intelContextPtr intel,
+				     GLuint cpp,
+				     GLshort dst_pitch,
+				     GLuint dst_offset,
+				     GLshort x, GLshort y, 
+				     GLshort w, GLshort h,
+				     GLuint color );
+
+
+
+
+static __inline GLuint *intelExtendInlinePrimitive( intelContextPtr intel, 
+						GLuint dwords )
+{
+   GLuint sz = dwords * sizeof(GLuint);
+   GLuint *ptr;
+
+   if (intel->batch.space < sz) {
+      intelWrapInlinePrimitive( intel );
+/*       assert(intel->batch.space >= sz); */
+   }
+
+/*    assert(intel->prim.primitive != ~0); */
+   ptr = (GLuint *)intel->batch.ptr;
+   intel->batch.ptr += sz;
+   intel->batch.space -= sz;
+
+   return ptr;
+}
+
+
+
+#endif